CVE-2023-30837

CVE-2023-30837 (Vyper) affects the Vyper compiler/language prior to version 0.3.8, where the storage allocator does not guard against allocation overflows. This can allow an attacker to overwrite the owner variable in affected contracts. The issue is fixed in version 0.3.8. Multiple connected sou...

CVE-2023-30837 Vyper storage allocator overflow

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8...

CVE-2023-30837 Vyper storage allocator overflow

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8...

CVE-2023-30837 Vyper storage allocator overflow

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8...

Vyper 安全漏洞

Vyper is the Pythonic smart contract language for EVM. A security vulnerability exists in Vyper versions prior to 0.3.8, which stems from the inability of the storage allocator to prevent allocation overflows, and can be exploited by an attacker to overwrite the owner variable...

vyper vulnerable to storage allocator overflow

Impact The storage allocator does not guard against allocation overflows. This can result in vulnerabilities like the following: vyper owner: publicaddress takeupsomespace: publicuint25610 buffer: publicuint256maxvalueuint256 @external def initialize: self.owner = msg.sender @external def fooidx:...

GHSA-MGV8-GGGW-MRG6 vyper vulnerable to storage allocator overflow

Impact The storage allocator does not guard against allocation overflows. This can result in vulnerabilities like the following: vyper owner: publicaddress takeupsomespace: publicuint25610 buffer: publicuint256maxvalueuint256 @external def initialize: self.owner = msg.sender @external def fooidx:...

PT-2023-22992 · Vyper · Vyper

Name of the Vulnerable Software and Affected Versions: Vyper versions prior to 0.3.8 Description: The storage allocator in Vyper does not guard against allocation overflows, allowing an attacker to overwrite the owner variable. This issue can be exploited by calling a contract with specific...

Denial Of Service (DoS)

Vyper is vulnerable to Denial Of Service DoS. The vulnerability exists due to a lack of validation in the rawcall parameter of functions.py, which generates invalid bytecode when both axoutsize=0 and revertonfailure=False. The result from the rawcall function can either be True or False depending...

GHSA-W9G2-3W7P-72G9 Incorrect success value returned in vyper

Background During the audit of Lido's Gate Seals code statemind team identified a weird behavior of the code that uses rawcall: https://github.com/lidofinance/gate-seals/blob/051593e74df01a4131c485b4fda52e691cd4b7d8/contracts/GateSeal.vyL164 . Construction like this: vyper success = rawcall...

Incorrect success value returned in vyper

Background During the audit of Lido's Gate Seals code statemind team identified a weird behavior of the code that uses rawcall: https://github.com/lidofinance/gate-seals/blob/051593e74df01a4131c485b4fda52e691cd4b7d8/contracts/GateSeal.vyL164 . Construction like this: vyper success = rawcall...

CVE-2023-30629

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

PYSEC-2023-131

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

Design/Logic Flaw

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

PYSEC-2023-131

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

CVE-2023-30629

CVE-2023-30629 affects the Vyper compiler (versions 0.3.1–0.3.7). When using built-in function raw_call with revert_on_failure=False and max_outsize=0 , the compiler generates incorrect bytecode, causing the returned value from the call to be an unreliable boolean (may be True or False) depending...

CVE-2023-30629 Vyper's raw_call with outsize=0 and revert_on_failure=False returns incorrect success value

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

CVE-2023-30629 Vyper's raw_call with outsize=0 and revert_on_failure=False returns incorrect success value

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

CVE-2023-30629 Vyper's raw_call with outsize=0 and revert_on_failure=False returns incorrect success value

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the rawcall with revertonfailure=False and maxoutsize=0 receives the wrong response from rawcall. Depending on the...

PT-2023-22826 · Vyper · Vyper

Name of the Vulnerable Software and Affected Versions: Vyper versions 0.3.1 through 0.3.7 Description: The Vyper compiler generates the wrong bytecode in versions 0.3.1 through 0.3.7. Any contract that uses the raw call with revert on failure=False and max outsize=0 receives the wrong response fr...